Ludescher, Rankweil, Vorarlberg

Ludescher, Rankweil, Vorarlberg

Hello all, Im looking for anyone that can help point me in the right direction. This being my first attempt at an international family search any information on where to start would be great. This information is listed on my ggrandfathers(Richard Ludescher) 1918 WW1 Draft card as nearest relative, My family believes this is his mother. Thanks in advance , Ben